Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
  • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
  • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
  • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
  • C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
  • C07D239/52—Two oxygen atoms

Definitions

• the invention relates to new 3-methoxy-2-phenyl-acrylic acid methyl ester, a process for their manufacture and their use as pesticides.
• 3-methoxy-acrylic acid methyl esters such as the compound 3-methoxy-2- (6-phenyl-2-pyridylthio) acrylic acid methyl ester or the compound 3-methoxy-2- [N- (6-phenyl-2-pyridyl) -N-methylamino] acrylic acid methyl ester or the compound 3-methoxy-2- [5- (4-chlorophenyl) -3-pyridyloxy] acrylic acid methyl ester possess fungicidal properties (see e.g. EP 383 117).
• the compounds of formula (I) may optionally, depending on the Type of substituents as geometric and / or optical isomers or mixtures of isomers different composition. Both the pure Isomers as well as the isomer mixtures are claimed according to the invention.
• the 3-methoxy-2-phenyl-acrylic acid methyl ester according to the invention the general formula (I) a significantly better effectiveness against plant-damaging microorganisms compared to those from the State of the art known 3-methoxy-acrylic acid methyl esters, such as the compound 3-methoxy-2- (6-phenyl-2-pyridylthio) acrylic acid methyl ester or the compound 3-methoxy-2- [N- (6-phenyl-2-pyridyl) -N-methylamino] acrylic acid methyl ester or the compound 3-methoxy-2- [5- (4-chlorophenyl) -3-pyridyloxy] acrylic acid methyl ester, which is chemical and / or effective are obvious connections.
• 3-methoxy-2- (6-phenyl-2-pyridylthio) acrylic acid methyl ester or the compound 3-methoxy-2- [N- (6-phenyl-2-pyridyl) -N-methylamino] acrylic acid
• the 3-methoxy-2-phenyl-acrylic acid methyl esters according to the invention are characterized by Formula (I) generally defined.
• Formula (II) defines the 3-methoxy-2- [2- (6-chloro-4-pyrimidinyloxy) phenyl] acrylic acid required as starting compound for carrying out the process according to the invention.
• the 3-methoxy-2- [2- (6-chloro-4-pyrimidinyloxy) phenyl] acrylic acid methyl ester of the formula (II) is known (cf., for example, EP 382 375).
• Formula (III) provides a general definition of the compounds which are furthermore required as starting materials for carrying out the process according to the invention.
• R 1 , R 2 , R 3 , A and n preferably represent those radicals and indices which have already been mentioned as preferred for these substituents and this index in connection with the description of the compounds of the formula (I) according to the invention were.
• the compounds of formula (III) are generally known compounds of organic chemistry.
• Suitable diluents for carrying out the process according to the invention inert organic solvents.
• These include in particular aliphatic, alicyclic or aromatic, optionally halogenated hydrocarbons, such as gasoline, benzene, toluene, xylene, chlorobenzene, dichlorobenzene, Petroleum ether, hexane, cyclohexane, dichloromethane, chloroform, carbon tetrachloride; Ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran or Ethylene glycol dimethyl or diethyl ether; Nitriles such as acetonitrile, propionitrile or benzonitrile; Amides, such as N, N-dimethylformamide, N, N-dimethylacetamide, N-methylformanilide, N-methylpyrrolidone or hexamethylphosphoric triamide or Sulfoxides
• the process according to the invention is preferably carried out in the presence of a suitable one Reaction auxiliary carried out.
• a suitable one Reaction auxiliary carried out All the usual inorganic ones come as such or organic bases. These include, for example, alkaline earth or alkali metal hydrides, hydroxides, amides, alcoholates, acetates, carbonates or bicarbonates, such as sodium hydride, sodium amide, sodium methylate, Sodium ethylate, potassium tert-butoxide, sodium hydroxide, potassium hydroxide, Ammonium hydroxide, sodium acetate, potassium acetate, calcium acetate, ammonium acetate, Sodium carbonate, potassium carbonate, potassium hydrogen carbonate, sodium hydrogen carbonate or ammonium carbonate and tertiary amines, such as trimethylamine, triethylamine, Tributylamine, N, N-dimethylaniline, pyridine, N-methylpiperidine, N, N-dimethylaminopyridine, Dia
• the process of the invention is also optionally in the presence a suitable catalyst.
• a suitable catalyst such as copper (I) salts, such as copper (I) chloride.
• a suitable phase transfer catalyst such as for example 15-crown-5, 18-crown-6 or tris- [2- (2-methoxyethoxy) ethyl] amine be an advantage.
• reaction temperatures can be carried out when carrying out the process according to the invention Process can be varied over a wide range. Generally works one at temperatures between -20 ° C and + 180 ° C, preferably at temperatures between 0 ° C and + 150 ° C.
• the process according to the invention is usually carried out under normal pressure. However, it is also possible to work under increased or reduced pressure.
• methyl 3-methoxy-2- [2- (6-chloro-4-pyrimidinyloxy) phenyl] acrylate is used per mole of the formula (II) generally 1.0 to 3.0 moles, preferably 1.0 to 1.5 moles of compound of formula (III) and optionally 0.1 to 3.0 mol, preferably 0.5 to 1.5 mol of base used as reaction auxiliary.
• the implementation of the reaction The reaction products are worked up and isolated in analogy to known processes (see, for example, EP 382 375 and the production examples).
• the end products of the formula (I) are purified using customary methods, for example by column chromatography or by recrystallization.
• the characterization is carried out using the melting point or, in the case of non-crystallizing compounds, using the refractive index or proton nuclear magnetic resonance spectroscopy ( 1 H-NMR).
• the active compounds according to the invention have a strong microbicidal action and can be useful to combat unwanted microorganisms be used.
• the active ingredients are for use as pesticides, particularly suitable as fungicides.
• Fungicidal agents in crop protection are used to control Plasmodiophoromycetes, Oomycetes, Chytridiomycetes, Zygomycetes, Ascomycetes, Basidiomycetes, Deuteromycetes.
• the active compounds according to the invention can be used with particularly good success
• combating diseases in fruit and vegetable growing such as against the causative agent of tomato brown rot (Phytophthora infestans) or against the Pathogen of the downy mildew of vines (Plasmopara viticola) or against the pathogen of the gray bean mold (Botrytis cinerea) or against the pathogen of the Apple scab (Venturia inaequalis) or for combating cereal diseases such as against the pathogen causing broken stalks in wheat (Pseudocercosporella herpotrichoides) or against the pathogen of the real Powdery mildew (Erysiphe graminis) or against the pathogen of the Net spot disease of barley (Pyrenophora teres) or against the pathogen of the Barley or wheat brown spot disease (Cochliobolus sativus) or against the pathogen of the brown fur of the wheat (Leptosphaeria nodorum) or against Fus
• the active ingredients are also suitable for controlling animal pests, preferably arthropods, especially insects and arachnids, in the Agriculture, forestry, storage and material protection as well as in the hygiene sector occurrence. They are against normally sensitive and resistant types as well effective against all or individual stages of development.
• the active compounds according to the invention are distinguished by a high level of insecticides and acaricidal efficacy.
• Insects such as against the green peach aphid (Mycus persicae) or against the larvae of the cockroach (Plutella xylostella) or against the larvae of the army worm (Spodoptera frugiperda) or against the common one Use spider mite (Tetranychus urticae).
• the active ingredients can depend on their respective physical and / or chemical properties are converted into the usual formulations, such as solutions, emulsions, suspensions, powders, foams, pastes, granules, Aerosols, active ingredient-impregnated natural and synthetic substances, fine encapsulation in polymeric substances and in coating compositions for seeds, also in formulations with fuel sets, such as smoking cartridges, cans, spirals, etc., as well as ULV cold and warm fog formulations.
• formulations are made in a known manner, e.g. by mixing of active ingredients with extenders, i.e. liquid solvents, under pressure standing liquefied gases and / or solid carriers, optionally under Use of surface-active agents, i.e. emulsifiers and / or dispersants and / or foam-generating agents.
• extenders i.e. liquid solvents
• surface-active agents i.e. emulsifiers and / or dispersants and / or foam-generating agents.
• Water can e.g. also organic solvents as auxiliary solvents be used.
• aromatics such as xylene, toluene or alkylnaphthalenes
• chlorinated aromatics or chlorinated aliphatic hydrocarbons such as Chlorobenzenes, chlorethylenes or methylene chloride
• aliphatic hydrocarbons such as cyclohexane or paraffins, e.g.
• Petroleum fractions Petroleum fractions, alcohols, such as Butanol or glycol and their ethers and esters, ketones, such as acetone, Methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents, such as dimethylformamide and dimethyl sulfoxide, and water;
• Liquefied gaseous extenders or carriers are such liquids meant which is gaseous at normal temperature and pressure are, e.g. Aerosol propellants, such as halogenated hydrocarbons and butane, propane, Nitrogen and carbon dioxide; solid carriers are possible: e.g.
• Natural Rock flours such as kaolins, clays, talc, chalk, quartz, attapulgite, Montmorillonite or diatomaceous earth and synthetic rock powder, such as highly disperse Silica, alumina and silicates; as solid carriers for granules are possible: e.g. broken and fractionated natural rocks such as calcite, Marble, pumice, sepiolite, dolomite and synthetic granules from inorganic and organic flours as well as granules from organic material such as sawdust, Coconut shells, corn cobs and tobacco stalks; as emulsifying and / or Foaming agents are possible: e.g.
• non-ionic and anionic Emulsifiers such as polyoxyethylene fatty acid esters, polyoxyethylene fatty alcohol ethers, e.g. Alkylaryl polyglycol ethers, alkyl sulfonates, alkyl sulfates, aryl sulfonates as well as protein hydrolyzates;
• Possible dispersants are: e.g. Lignin liquors and methyl cellulose.
• Adhesives such as carboxymethyl cellulose, natural, can be used in the formulations and synthetic powdery, granular or latex-shaped polymers are used such as gum arabic, polyvinyl alcohol, polyvinyl acetate, and natural Phospholipids such as cephalins and lecithins, and synthetic phospholipids.
• Other additives can be mineral and vegetable oils.
• Dyes such as inorganic pigments, e.g. Iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, Cobalt, molybdenum and tin can be used.
• inorganic pigments e.g. Iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, Cobalt, molybdenum and tin can be used.
• the formulations generally contain between 0.1 and 95 percent by weight Active ingredient, preferably between 0.5 and 90%.
• the active compounds according to the invention can be used as such or in their formulations also in a mixture with known fungicides, bactericides, acaricides, Nematicides or insecticides can be used, e.g. the spectrum of activity to broaden or prevent the development of resistance.
• a mixture with other known active ingredients, such as herbicides or with Fertilizers and growth regulators are possible.
• the active compounds as such in the form of their Formulations or the application forms prepared from them, such as ready-to-use solutions, suspensions, wettable powders, pastes, soluble powders, Dusts and granules can be used.
• the application happens in usual way, e.g. by pouring, spraying, spraying, scattering, Dusting, foaming, brushing, etc.
• the active ingredients can be used according to the ultra-low-volume method or to prepare the active ingredient or inject the active ingredient into the soil yourself. It can also the seeds of the plants are treated.
• the active ingredient concentrations can the application as fungicides in the use forms in a larger Range can be varied: They are generally between 1 and 0.0001 % By weight, preferably between 0.5 and 0.001% by weight.
• Active ingredient amounts of 0.001 to 50 g per kilogram of seed, preferably 0.01 to 10 g required.
• active ingredient concentrations are used from 0.00001 to 0.1% by weight, preferably from 0.0001 to 0.02 % By weight required at the site of action.
• insects and Acaricides When used as insecticides and Acaricides also in their commercial formulations and in the These formulations were used in a mixture with others Active ingredients, such as insecticides, attractants, sterilants, acaricides, nematicides, Fungicides, growth regulators or herbicides are present.
• Active ingredients such as insecticides, attractants, sterilants, acaricides, nematicides, Fungicides, growth regulators or herbicides are present.
• Active ingredients such as insecticides, attractants, sterilants, acaricides, nematicides, Fungicides, growth regulators or herbicides are present.
• Active ingredients such as insecticides, attractants, sterilants, acaricides, nematicides, Fungicides, growth regulators or herbicides are present.
• To the Insecticides include, for example, phosphoric acid esters, carbamates, carboxylic acid esters, chlorinated hydrocarbons
• Synergists are compounds through which the action of the active ingredients is increased without the added synergist itself having to be active.
• the active substance content of the use forms prepared from the commercially available formulations can vary widely.
• the drug concentration the application forms can range from 0.0000001 to 95 percent by weight of active ingredient, preferably between 0.0001 and 1 percent by weight.
• the application takes place in a customary manner adapted to the application forms Wise.
• a part by weight is mixed to produce a suitable preparation of active compound Active ingredient with the specified amounts of solvent and emulsifier and dilute the concentrate with water to the desired concentration.
• the plants are then in an incubation cabin at 20 ° C and one relative humidity of about 100%.
• Evaluation is carried out 3 days after the inoculation.
• a part by weight is mixed to produce a suitable preparation of active compound Active ingredient with the specified amounts of solvent and emulsifier and dilute the concentrate with water to the desired concentration.
• a part by weight is mixed to produce a suitable preparation of active compound Active ingredient with the specified amounts of solvent and emulsifier and dilute the concentrate with water to the desired concentration.
• the plants are then grown in a greenhouse at 20 ° C and a relative Humidity of approx. 70% set up.
• Evaluation is carried out 12 days after the inoculation.
• Botrytis test wild bean
• a part by weight is mixed to produce a suitable preparation of active compound Active ingredient with the specified amounts of solvent and emulsifier and dilute the concentrate with water to the desired concentration.
• the plants are grown in a greenhouse at a temperature of approx. 10 ° C and a relative humidity of approx. 80%.
• Evaluation is carried out 21 days after the inoculation.
• the plants are grown in a greenhouse at a temperature of approx. 20 ° C and a relative humidity of about 80% set up the development of mildew pustules.
• Evaluation is carried out 7 days after the inoculation.
• the plants are grown in a greenhouse at a temperature of approx. 15 ° C and a relative humidity of approx. 80%.
• Evaluation is carried out 10 days after the inoculation.
• the plants are grown in a greenhouse at a temperature of approx. 20 ° C and a relative humidity of approx. 80%.
• Evaluation is carried out 7 days after the inoculation.
• the plants are grown in a greenhouse at a temperature of approx. 20 ° C and a relative humidity of approx. 80%.
• Evaluation is carried out 7 days after the inoculation.
• a suitable preparation of active compound 1 part by weight is mixed Active ingredient with the specified amount of solvent and the specified Amount of emulsifier and dilute the concentrate with water containing emulsifier to the desired concentrations.
• Broad bean seedlings (Vicia faba), which are derived from the peach aphid (Myzus persicae) are infested in the drug preparation of the desired concentration dipped and placed in a plastic can.
• the kill is determined in percent. Here means 100% that all aphids have been killed; 0% means that there are no aphids were killed.
• a suitable preparation of active compound 1 part by weight is mixed Active ingredient with the specified amount of solvent and the specified Amount of emulsifier and dilute the concentrate with water containing emulsifier to the desired concentrations.
• Cabbage leaves (Brassica oleracea) are made with the active ingredient preparation desired concentration treated. A treated sheet is turned into one Plastic box placed and with larvae (L2) of the cockroach (Plutella xylostella) occupied. After 3 days there will be one untreated sheet for the refill used.
• the kill is determined in percent. there means 100% that all larvae have been killed; 0% means that none Larvae were killed.
• a suitable preparation of active compound 1 part by weight is mixed Active ingredient with the specified amount of solvent and the specified Amount of emulsifier and dilute the concentrate with water containing emulsifier to the desired concentrations.
• a specified amount is added to a standardized amount of synthetic feed Pipette drug preparation in the desired concentration.
• the kill is determined in percent. there means 100% that all larvae have been killed; 0% means that none Larvae were killed.
• Bean plants Phaseolus vulgaris
• Common spider mite Tetranychus urticae
• the effect is determined in percent. Here means 100% that all spider mites have been killed; 0% means that there are no spider mites were killed.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

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• 1993
  • 1993-08-17 DE DE4327596A patent/DE4327596A1/de not_active Withdrawn
• 1994
  • 1994-08-04 WO PCT/EP1994/002587 patent/WO1995005367A1/de active IP Right Grant
  • 1994-08-04 DE DE59410065T patent/DE59410065D1/de not_active Expired - Fee Related
  • 1994-08-04 JP JP7506713A patent/JPH09501661A/ja active Pending
  • 1994-08-04 EP EP94925431A patent/EP0724574B1/de not_active Expired - Lifetime
  • 1994-08-04 AU AU75348/94A patent/AU7534894A/en not_active Abandoned
  • 1994-08-15 IL IL11066494A patent/IL110664A0/xx unknown
  • 1994-08-16 ZA ZA946158A patent/ZA946158B/xx unknown
  • 1994-08-17 TR TR00804/94A patent/TR27808A/xx unknown

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